<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
    <h1>hello</h1>
        <span onclick="a()">1</span>
    <span onclick="b">2</span>
    <span onclick="cc">3</span>
    <span onclick="dd">4</span>
    <span onclick="ee">5</span>
<div>


    <script>
function a() {
    window.location.href="scatter_multi_dimension.html"
}
</script>
</body>
</html>